Paul Newman, who voiced Doc Hudson, died of cancer in September 2008. Lasseter was at first adamant that Newman would return, even though he had announced his retirement from acting. After Newman's death, Lasseter said that they would see how the story would proceed with Doc Hudson. Eventually, Doc was cut from the film and later on in Cars 3, it is implied that Doc Hudson died of aging. When Mater goes into the bathroom, Denise Beam can be seen leaving the bathroom. This is a mistake because Denise Beam is a female, but she was in the bathroom for males. The story of Cars 2 kind of reverses the story of Cars Mater-National. In Cars 2, Lightning and Mater visit the world. In Cars Mater-National, the world visits them. a b c d Barnes, Brooks (October 17, 2011). "John Lasseter of Pixar Defends Cars 2". The New York Times. Archived from the original on April 2, 2015 . Retrieved December 2, 2011.

a b "Cars 2 (2011)". Box Office Mojo. Archived from the original on March 21, 2012 . Retrieved August 20, 2016. When Grem and Acer leave Big Bentley, they use a lift/elevator. In real life, the Elizabeth Tower does not have a lift/elevator (though one will be added during the tower's restoration from 2017 to 2021). This is most likely artistic liscence; unless cars in the Cars universe have abilities we haven't seen, there's no way they could drive up or down the narrow, steep and winding staircases in the real-life version of the tower. In 2009, Disney registered several domain names, hinting to audiences that the title and theme of the film would be in relation to a "World Grand Prix". [19] C. S. Strowbridge (November 16, 2011). "DVD Sales: Victory Lap for Cars 2". Archived from the original on January 4, 2012 . Retrieved November 17, 2011. Several members of the team watched numerous spy movies and studied the scenarist techniques and filming process. Lasseter watched as many spy movies as he could get to figure out the genre. While looking at Ronin, story supervisor Nathan Stanton paid particular attention to how car chases are shot.More Cars 2 Video And Images". Empire Online. January 13, 2011. Archived from the original on November 4, 2011 . Retrieved May 19, 2011. Disney Interactive Studios (November 1, 2011). "Disney•Pixar's Cars 2: The Video Game is Now Available for Nintendo 3DS". Business Wire. Archived from the original on December 7, 2011 . Retrieved July 4, 2012. Many animators had the opportunity to test real sports cars at their full speed, by themselves or with a pilot, to gain experience on how to animate the characters of the movie. [35] Some also attended to racing events. [36] Eddie Izzard and Richard Kind appear in The Wild (as the voices of Nigel and Larry respectively), another animated film by Disney released at the same year when the first Cars movie came out. Sciretta, Peter (September 24, 2008). "Cars 2: New Release Date, Story Details, Short Car-Toons". SlashFilm. Archived from the original on August 16, 2011 . Retrieved August 22, 2011.

Gray, Brandon (July 4, 2011). "Weekend Report: 'Transformers' Claims Independence Gross Record". Box Office Mojo. Archived from the original on October 6, 2014 . Retrieved July 4, 2012. Near the beginning of the movie, Mater asks Lightning McQueen if he can handle Mater's plans, and Lightning says that he can handle anything. He also said that he can handle anything after Mater asks him if he wants to go Tractor Tipping in the first movie. Shot of McQueen forming the World Grand Prix logoAlthough Lightning McQueen had not joined the World Grand Prix yet, you can see him forming the globe in the ad on The Mel Dorado Show. However, it could have been finished with every racer that was invited before Lightning declined the invite. But even then, it is inconsistent that he appears with his World Grand Prix customizations, that he hadn't then. It could be that they had McQueen's World Grand Prix customization planned before he declined the invite.When Finn, Holley and Mater are examining the photo of the mystery engine, the digits "A113" are pictured in a sort-of VIN number Digiting.

In the credits, it was shown that Mater's was born in January 12, 1957, which is the same as John Lasseter's. Several members of the team watched spy movies, and studied the scenarist techniques and filming process. Lasseter watched as many spy movies as he could get to figure out the genre. While looking at spy films, story supervisor Nathan Stanton payed particular attention to how car chases are shot. Goldberg, Matt (February 29, 2012). "Saturn Award Nominations Announced; Hugo and Harry Potter Lead with 10 Nominations Each". Collider. Archived from the original on May 30, 2021 . Retrieved August 23, 2023. In 2009, Disney registered several domain names in relation to the title " World Grand Prix". However, so far only the title "Cars 2" has been released.During the London scenes of the film, in the director's commentary, John stated that they made enough racing scenes to where the movie could've been an entire racing film. Parks, Tim (August 25, 2009). "Disney "hints at Cars sequel title" ". Digital Spy. Archived from the original on April 17, 2010 . Retrieved July 16, 2010. Brave characters (specifically Princess Merida and her family) appear "car-ified" on a tapestry in the Ye Left Turn Inn in London.

An animated feature film spin-off called Planes, produced by DisneyToon Studios, was released on August 9, 2013. A sequel to Planes, titled Planes: Fire & Rescue, was released on July 18, 2014 and a film based on outer space was planned, but was canceled due to the studio shutting down. After Lightning McQueen, Mater, Finn McMissile and Holley Shiftwell confront Professor Z, you can clearly see that he is attached to Finn. But right before Holley tazes him, he is not attached at all. But it might be that Finn unattached Professor Z while the bomb was taking a minute off.When Mater tows Otis onto the road, Otis' tire seems to go through the oil leaked by him. However, no oil trail was made by it. John Lasseter • Brad Lewis • Denise Ream • Mark Nielsen • Dan Fogelman • Ben Queen • Stephen Schaffer • Michael Giacchino This is the only Cars film where the Tractors do not appear, although they only appear in a Target commercial which was to promote the movie.